<template>
  <div class="container">
    <div class="app-container">
      <el-button
        class="btn-add"
        size="mini"
        type="primary"
        @click="addPermission(0, 1)"
      >
        添加权限
      </el-button>
      <el-table default-expand-all :data="list" row-key="id">
        <el-table-column prop="name" label="名称" />
        <el-table-column prop="code" label="标识" />
        <el-table-column prop="description" label="描述" />
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button
              v-if="row.type === 1"
              size="mini"
              type="text"
              @click="addPermission(row.id, 2)"
            >
              添加
            </el-button>
            <el-button size="mini" type="text" @click="editPermission(row.id)">
              编辑
            </el-button>
            <el-popconfirm
              title="这是一段内容确定删除吗？"
              @confirm="confirmDel(row.id)"
            >
              <el-button
                slot="reference"
                style="margin-left: 10px"
                size="mini"
                type="text"
              >
                删除
              </el-button>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-dialog width="500px" title="添加权限" :visible.sync="showDialog">
      <!--      表单内容-->
      <el-form
        ref="perForm"
        :model="formData"
        :rules="rules"
        label-width="120px"
      >
        <el-form-item prop="name" label="权限名称">
          <el-input v-model="formData.name" style="width: 300px" size="mini" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width: 300px" size="mini" />
        </el-form-item>
        <el-form-item prop="description" label="权限描述">
          <el-input v-model="formData.description" style="width: 90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch
            v-model="formData.enVisible"
            :active-value="1"
            :inactive-value="0"
            size="mini"
          />
        </el-form-item>
        <el-form-item>
          <el-row type="flex" justify="center">
            <el-col :sapn="12">
              <el-button type="primary" size="mini" @click="btnOK">
                确定
              </el-button>
              <el-button size="mini" @click="btnCancel">取消</el-button>
            </el-col>
          </el-row>
        </el-form-item>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import {
  getPermissionList,
  addPermission,
  updatePermission,
  delPermission,
  getPermissionDetail
} from '@/api/permission'
import { transListToTreeDate } from '@/utils'
export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      showDialog: false,
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
      },
      rules: {
        name: [
          { required: true, message: '权限名称不能为空', trigger: 'blur' }
        ],
        code: [
          { required: true, message: '权限标识不能为空', trigger: 'blur' }
        ],
        description: [
          { required: true, message: '描述不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      this.list = transListToTreeDate(await getPermissionList(), 0)
      console.log(this.list) // 将列表数据转化成树形结构
    },
    btnOK() {
      this.$refs.perForm
        .validate()
        .then(() => {
          if (this.formData.id) {
            return updatePermission(this.formData)
          }
          return addPermission(this.formData)
        })
        .then(() => {
          //  提示消息
          this.$message.success('新增成功')
          this.getPermissionList()
          this.showDialog = false
        })
    },
    addPermission(pid, type) {
      this.formData.pid = pid
      this.formData.type = type
      this.showDialog = true
    },
    btnCancel() {
      this.$refs.perForm.resetFields()
      this.showDialog = false
    },
    async confirmDel(id) {
      await delPermission(id)
      this.getPermissionList()
      this.$message.success('删除权限成功')
    },
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    }
  }
}
</script>
<style>
.btn-add {
  margin: 10px;
}
</style>
